JPH0458666B2 - - Google Patents
Info
- Publication number
- JPH0458666B2 JPH0458666B2 JP61067640A JP6764086A JPH0458666B2 JP H0458666 B2 JPH0458666 B2 JP H0458666B2 JP 61067640 A JP61067640 A JP 61067640A JP 6764086 A JP6764086 A JP 6764086A JP H0458666 B2 JPH0458666 B2 JP H0458666B2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- rotating shaft
- pressing
- disc
- centering hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000003825 pressing Methods 0.000 claims description 18
- 239000003302 ferromagnetic material Substances 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61067640A JPS62223850A (ja) | 1986-03-25 | 1986-03-25 | デイスククランプ装置 |
DE8787302591T DE3785959T2 (de) | 1986-03-25 | 1987-03-25 | Plattenklemmvorrichtung. |
US07/029,610 US4920437A (en) | 1986-03-25 | 1987-03-25 | Disc clamping device |
EP87302591A EP0240237B1 (en) | 1986-03-25 | 1987-03-25 | Disc clamping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61067640A JPS62223850A (ja) | 1986-03-25 | 1986-03-25 | デイスククランプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62223850A JPS62223850A (ja) | 1987-10-01 |
JPH0458666B2 true JPH0458666B2 (no) | 1992-09-18 |
Family
ID=13350798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61067640A Granted JPS62223850A (ja) | 1986-03-25 | 1986-03-25 | デイスククランプ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4920437A (no) |
EP (1) | EP0240237B1 (no) |
JP (1) | JPS62223850A (no) |
DE (1) | DE3785959T2 (no) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS647391A (en) * | 1987-03-16 | 1989-01-11 | Pioneer Electronic Corp | Optical information disk |
US4983439A (en) * | 1988-05-12 | 1991-01-08 | Fuji Photo Film Co., Ltd. | Method of manufacturing a recording medium and recording medium |
EP0563230B1 (en) * | 1990-12-19 | 2000-02-16 | Mobile Storage Technology Inc. | Miniature hard disk drive for portable computer |
US5243481A (en) * | 1991-09-25 | 1993-09-07 | Integral Peripherals, Inc. | Clamp for information storage disk |
US5379171A (en) * | 1991-09-25 | 1995-01-03 | Integral Peripherals | Microminiature hard disk drive |
US6310747B1 (en) | 1991-09-25 | 2001-10-30 | Mobile Storage Technology, Inc. | Method for reducing external signal interference with signals in a computer disk storage system |
US6044058A (en) * | 1993-08-24 | 2000-03-28 | Matsushita Electric Industrial Co., Ltd. | Adaptor cartridge for mounting a second disk in a device designed to mount a first-disk cartridge |
US6091559A (en) * | 1994-12-19 | 2000-07-18 | Mobile Storage Technology Inc. | Variable zone layout and track pitch parameter considerations for information storage disk drive |
US5596458A (en) * | 1994-12-19 | 1997-01-21 | Integral Peripherals, Inc. | Variable zone layout for information storage disk drive |
JPH09219038A (ja) * | 1996-02-13 | 1997-08-19 | Pioneer Electron Corp | 光ディスク |
KR0176575B1 (ko) * | 1996-03-08 | 1999-04-15 | 김광호 | 디스크 플레이어의 디스크 클램핑장치 |
JPH10106092A (ja) * | 1996-08-05 | 1998-04-24 | Tanashin Denki Co | ディスククランプ装置 |
DE19725250C2 (de) * | 1997-06-14 | 2000-03-30 | Staedtler Fa J S | Verfahren, Vorrichtungen und Mittel zur Behandlung von Compact Disc's |
US7342741B1 (en) | 2000-02-10 | 2008-03-11 | Esgw Holdings Limited | Disk drive with variable track density |
WO2002080165A1 (en) * | 2001-03-28 | 2002-10-10 | Koninklijke Philips Electronics N.V. | Turntable for a disc-shaped information carrier and player provided with such a turntable |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439008B2 (no) * | 1976-03-04 | 1979-11-26 | ||
JPS5975474A (ja) * | 1982-10-21 | 1984-04-28 | Seiko Epson Corp | フレキシブルデイスクドライブのデイスククランプ機構 |
JPS60247851A (ja) * | 1984-05-23 | 1985-12-07 | Victor Co Of Japan Ltd | デイスククランプ装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US108075A (en) * | 1870-10-04 | Improvement in sectional steam-generators | ||
NL174998C (nl) * | 1975-03-10 | 1984-09-03 | Philips Nv | Opspaninrichting voor een roterend aandrijfbare informatiedragende plaat. |
JPS5439008U (no) * | 1977-08-23 | 1979-03-14 | ||
JPS56114166A (en) * | 1980-02-15 | 1981-09-08 | Pioneer Electronic Corp | Autoloading player |
US4455637A (en) * | 1980-07-30 | 1984-06-19 | Sharp Kabushiki Kaisha | Disc record player with automatic loading/unloading assembly |
JPS593761A (ja) * | 1982-06-30 | 1984-01-10 | Toshiba Corp | 磁気デイスク装置 |
US4539612A (en) * | 1982-09-29 | 1985-09-03 | Sidhu Pawitter S | Spindle bearing assembly for disk drive unit |
JPS607642A (ja) * | 1983-06-27 | 1985-01-16 | Hitachi Ltd | デイスク装着装置 |
JPS6029965A (ja) * | 1983-07-29 | 1985-02-15 | Teac Co | 記録媒体デイスク駆動装置 |
US4541086A (en) * | 1983-08-08 | 1985-09-10 | Pioneer Electronic Corporation | Disc clamping mechanism |
JPS60124057A (ja) * | 1983-12-06 | 1985-07-02 | Olympus Optical Co Ltd | ディスク固定装置 |
JPS60247849A (ja) * | 1984-05-23 | 1985-12-07 | Victor Co Of Japan Ltd | デイスククランプ装置 |
-
1986
- 1986-03-25 JP JP61067640A patent/JPS62223850A/ja active Granted
-
1987
- 1987-03-25 US US07/029,610 patent/US4920437A/en not_active Expired - Fee Related
- 1987-03-25 EP EP87302591A patent/EP0240237B1/en not_active Expired - Lifetime
- 1987-03-25 DE DE8787302591T patent/DE3785959T2/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439008B2 (no) * | 1976-03-04 | 1979-11-26 | ||
JPS5975474A (ja) * | 1982-10-21 | 1984-04-28 | Seiko Epson Corp | フレキシブルデイスクドライブのデイスククランプ機構 |
JPS60247851A (ja) * | 1984-05-23 | 1985-12-07 | Victor Co Of Japan Ltd | デイスククランプ装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0240237A3 (en) | 1989-03-29 |
EP0240237A2 (en) | 1987-10-07 |
DE3785959T2 (de) | 1993-09-09 |
EP0240237B1 (en) | 1993-05-26 |
DE3785959D1 (de) | 1993-07-01 |
US4920437A (en) | 1990-04-24 |
JPS62223850A (ja) | 1987-10-01 |
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